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实用新型
CN201306354Y 一种可重复使用的防松动螺栓 失效 - 权利终止

一种可重复使用的防松动螺栓
摘要：
本实用新型涉及一种连接部件，其解决了现有普通螺栓受反复冲击和拉伸容易松动的问题，并且拆装方便，可重复使用。本实用新型包括螺母和螺杆，所述的螺母内腔设置有螺母防松棘轮，螺母防松棘轮的柱体上套有棘轮压紧弹簧；所述的螺杆旋入螺母的一端设置有与螺母棘轮齿相互啮合的螺杆棘轮齿。螺母防松棘轮的柱体为四棱柱或其它棱柱，螺母防松棘轮的柱体上端加工有拆卸斜面，棘轮压紧弹簧设置在螺母上腔下端与螺母棘轮齿之间。
摘要（英）：

The utility model relates to a connecting part which solves the problem that after repeatedly shocked and extended, the common bolt is easily loosened, and has the advantages of convenient assembly and disassembly, and repeated use. The looseness preventing bolt comprises a nut and a screw rod, wherein a nut looseness preventing ratchet wheel is arranged in the cavity of the nut; a ratchet wheel pressing spring is sheathed on the column body of the nut looseness preventing ratchet wheel; and the screw rod is screwed into one end of the nut and is provided with a screw rod ratchet wheel engaged with nut ratchet wheel gears. The column body of the nut looseness preventing ratchet wheel is a quadrangular or other prisms; the upper end of the column body of the nut looseness preventing ratchet wheel is provided with a disassembling inclined plane; and the ratchet wheel pressing spring is arranged between the upper end of the upper cavity of the nut, and the nut ratchet wheel gears.

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